GREEN SENSITIVE MAGENTA COUPLER

摘要

Green photo sensitives of formula (I) are prepared by reacting a pyrazolone cpd. of formula (II) with a cpd. of formula (III) in the presence of pyridine solvent. In the formulas, X= halogen; Y= H or halogen; B= C1-6 alkylene or benzyl; K= O, S or SO2; R1= C1-8 alkyl; R2= C1-8 alkylene; l= 0-3; n and q each= 1- 3; and m= 1 or 2. (I) have a good fastness and stability.